He instructed people on how to be hired at a company he was never hired at. I don't think I would ever hire someone making claim like that.
"This is my multi-month study plan for going from web developer (self-taught, no CS degree) to Google software engineer." [2]
The author presents two conflicting pieces of information. In [1], it seems like he has accomplished this goal of being hired. In [2], he is working towards it and has not clue if anything presented will work.
[1]: https://googleyasheck.com/presenting-at-code-fellows/ [2]: https://github.com/jwasham/google-interview-university
Without reading this quote, each post makes it seem like he knows everything about how to get hired. With the quote, each post reads very differently.